Bootstrap Percolation, the Schröder Numbers, and the N-Kings Problem. - Louis W. Shapiro; A. B. Stephens (SIAM J. Discret. Math., 1991)

Algorithms for a K-Tree Core of a Tree. - Shietung Peng; A. B. Stephens; Yelena Yesha (ICCI, 1992)

Algorithms for a Core and k-Tree Core of a Tree. - Shietung Peng; A. B. Stephens; Yelena Yesha (J. Algorithms, 1993)

Optimal Allocation for Partially Replicated Database Systems on Ring Networks. - A. B. Stephens; Yelena Yesha; Keith E. Humenik (IEEE Trans. Knowl. Data Eng., 1994)

A Lower Bound on the Probability of Conflict Under Nonuniform Access in Database Systems. - Keith E. Humenik; Peter Matthews; A. B. Stephens; Yelena Yesha (Algorithmica, 1995)

Minimizing message complexity of partially replicated data on hypercubes. - Keith E. Humenik; Peter Matthews; A. B. Stephens; Yelena Yesha (Networks, 1996)